Question

look at this graph: write the equation of the line.

Explanation:

Step1: Identify line - type

The line is vertical.

Step2: Recall vertical - line equation

The equation of a vertical line is of the form $x = a$, where $a$ is the x - coordinate of any point on the line.

Step3: Determine the x - coordinate

The line passes through points where $x = 60$.

Answer:

$x=60$